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Suppose your boss wants you to obtain a sample to estimate a population mean. Based on previous analyses, you estimate that 13 is the approximate
Suppose your boss wants you to obtain a sample to estimate a population mean. Based on previous analyses, you estimate that 13 is the approximate value of the population standard deviation. You would like to be 99.9% confident that your estimate is within 24 of the true population mean. What is the minimum sample size required? IMPORTANT: Use a critical value that you found with your calculator {not from a table}, and round it to 3_places after the decimal point before you plug it into a formula and perform your calculations. Do not round-off any other intermediate results. .11
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